How to mark a ticket type as "sold out"

When you are configuring a ticket type, you can specify how many tickets of a particular type do you wish to sell.

For example, you have created a ticket type with the name "Basic" and you specified that total 25 of "Basic" ticket type are on sale.
Once all 25 tickets are sold, the ticket type "Basic" will be marked as "Sold Out" automatically.

However, If you wish to manually mark a ticket type as Sold Out, you can do that easily.

You will need to edit an existing ticket type. To learn how you can edit a ticket type, click here.

In Update Ticket Details box, set the value of Number of tickets on sale to 0.
And click on Save to finalize the changes.

The ticket will be marked as Sold Out as shown in below screenshot.